Pourtalés, Louis Auguste, Comte de. **F 5012.53 Les quantités positives et négatives en géométrie. Neuchatel. Gerster. 1847. Text, (3), x, 125 pp. 24cm., in 2s, Atlas, (1) p. 27 plates of diagrams. 24% X 37cm.
Treated analytically.
 
—_— | Ayn pert This card was printed at the Boston L3052 — Geometry. Analytical.
Public Library, April 15, 1918.